Research Article
A New Statistical Approach Based on the Access of Electricity Application with Some Modified Control Charts
Table 3
Comparison of the
and
when
by using the EWMA control charts with
.
| Methods | Shifts | ARL | SDRL | | | | | |
| MLE | 0 | 370.7605 | 345.6954 | 38 | 145 | 269.5 | 457 | 846.1 | 3.05 | 93.779 | 90.54939 | 10 | 35 | 66 | 114 | 214.1 | 3.1 | 80.6275 | 79.8897 | 8 | 28.7 | 55.5 | 99 | 192.1 | 3.2 | 57.957 | 56.3122 | 7 | 23 | 42 | 68 | 132 | 3.4 | 33.1595 | 31.81401 | 4 | 12 | 23 | 41 | 75 | 3.6 | 19.0685 | 18.47862 | 3 | 7 | 13 | 24 | 42 | 3.8 | 12.4265 | 11.68139 | 2 | 5 | 9 | 15 | 28 | 4 | 8.189 | 7.953924 | 1 | 3 | 6 | 10 | 18.1 | 4.2 | 5.7065 | 5.359545 | 1 | 2 | 4 | 7 | 13 | 4.4 | 4.2545 | 3.961133 | 1 | 2 | 3 | 5 | 9 | 4.6 | 3.184 | 2.736401 | 1 | 1 | 2 | 4 | 7 |
| MMLE | 0 | 370.666 | 359.6461 | 35 | 129 | 265.5 | 451.3 | 856.4 | 2.5 | 1.6835 | 1.10993 | 1 | 1 | 1 | 2 | 3 | 3.1 | 1.6525 | 1.086892 | 1 | 1 | 1 | 2 | 3 | 3.2 | 1.5835 | 0.951042 | 1 | 1 | 1 | 2 | 3 | 3.4 | 1.4025 | 0.75085 | 1 | 1 | 1 | 1 | 2 | 3.6 | 1.3025 | 0.645137 | 1 | 1 | 1 | 1 | 2 | 3.8 | 1.2205 | 0.546836 | 1 | 1 | 1 | 1 | 2 | 4 | 1.1365 | 0.391081 | 1 | 1 | 1 | 1 | 2 | 4.2 | 1.1085 | 0.350413 | 1 | 1 | 1 | 1 | 1 | 4.4 | 1.06 | 0.251857 | 1 | 1 | 1 | 1 | 1 | 4.6 | 1.0535 | 0.235936 | 1 | 1 | 1 | 1 | 1 |
|
|